18381753

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{157109}}^1$

素因数の和:157128

約数の個数: 12

約数和(自身を含む): 28594020

約数和(自身を除く): 10212267

約数列:

[1, 3, 9, 13, 39, 117, 157109, 471327, 1413981, 2042417, 6127251, 18381753]

約数ペア:

[(1, 18381753), (3, 6127251), (9, 2042417), (13, 1413981), (39, 471327), (117, 157109)]